Aiseesoft Blu-ray to MKV Ripper for Mac enables you to rip any Blu-ray/DVD disc and convert popular video files to MKV video and any other video/audio formats on Mac. Also it allows you to edit the output video effect, such as cut any segment of the video, adjust video playing area, join video clips together, add video watermark, even set video brightness, saturation and contrast. Moreover, it can support 5.1 surround sound now after upgraded.